Blasting-powder



- fire cannot be used.

' UNI-TED STATES.

PATENT OFFIC TRUE SLEEPER, OF AMBOY, ILLINOIS.

"BLASTING-POW'DER.

srncrrrcnrron forming part of Letters Patent No. 241,163, dated May 10, 1881.

' Application filed-February 11, 1881. (Specimens) Tqall whom it may concern Be it known that I, TRUE P. SLEEPER, of the city of Amboy, in the county of Lee and State of Illinois, have invented a new and useful Combination of Chemicals for Useiu Blastand I dohereby' declare that the followmg in g is a full and exaet. description thereoflref erence being had to the. accompanying specimens of the ingredients used in prepar-in-gsa id combination, and of the composition itself.-

This composition of my invention is a powerful explosive, ofia power equal to or greater convenient to handle as common gunpowder, and can only be exploded by contact with fire or sulphuric acid; It will ntexplode by concussionfis easily and cheaply manufactured,

and peculiarly adapted to use in mines, because of the fact that after a blast in which it is used no noxious gases or vapors remain to prevent workmen from resuming labor, as in the'case of blasts with all, or nearly all, theexplosives now used in mining, and also because of its capability of'being exploded by contact with sulphuric acid in places where To enable others to' make and use my invention, I will-proceed to describe the process of its manut'aeture, and the manner of applying ittons'e. I a j v".l'h e-iugredients audproportions are: finelypulvrized chlorate of potassa, eight (8) parts;

loose, in the same It is as safe and,

finely-pulverized white sugar, finely-pulverized charcoal, one part, wit-h the right to vary the proportion or quantity 0t 5 either ingredient one ounce in the pound when seven (7) parts;

the quality of the ingredients is not uniform.

Process of manufacture: Sift the above ingredientsfiri the proportions named, separately through a fine sieve. Then mix thoroughly 0 and sii'trtwo or'threetimesthrough afinc sieve, when the preparation will be ready for use- I to be applied to use in packages or shells, or manner as common black blasting-powder is used, and ignited by means 5 -of a fuse; or it may beignited by soarranging arial of sulphuric acid that when inverted the eonten ts will come in con tact with the powd'er at the instant the explosion is desired.

I am aware that the several ingredients 50 named by me have been employed, in addition to other ingredients, in various blasting-powders, and such 1 do not claim as my invention but 0' 4 What'l do claim as my invention, and desire 55 to secure by Letters Patent, is-'- Au explosive compound consisting of chlorate of potash, sugar, and charcoal, in the proportion substantially as described.

TRUE P. SLEEPER.

Witnesses:

. ISRAEL R. PATTERSCN, ELILIAH SPANGLER; 

